diff --git a/0001-Ruby-Fix-deprecation-warnings-with-Ruby-3.x.patch b/0001-Ruby-Fix-deprecation-warnings-with-Ruby-3.x.patch
new file mode 100644
index 0000000000000000000000000000000000000000..e80fe28a4add0f672e8cd86951825ac1de4b0d71
--- /dev/null
+++ b/0001-Ruby-Fix-deprecation-warnings-with-Ruby-3.x.patch
@@ -0,0 +1,45 @@
+From 7dfe940d9a54d458e73c3485b53b8612cad6bb27 Mon Sep 17 00:00:00 2001
+From: chen-jan <chen_aka_jan@163.com>
+Date: Thu, 13 Jul 2023 17:07:22 +0800
+Subject: [PATCH] Ruby-Fix-deprecation-warnings-with-Ruby-3.x
+
+reference: https://github.com/swig/swig/commit/7dfe940d9a54d458e73c3485b53b8612cad6bb27
+---
+ Lib/ruby/rubyhead.swg | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/Lib/ruby/rubyhead.swg b/Lib/ruby/rubyhead.swg
+index bf4e362..42871ce 100644
+--- a/Lib/ruby/rubyhead.swg
++++ b/Lib/ruby/rubyhead.swg
+@@ -1,4 +1,5 @@
+ #include <ruby.h>
++#include <ruby/version.h> /* For RUBY_API_VERSION_CODE */
+ 
+ /* Ruby 1.9.1 has a "memoisation optimisation" when compiling with GCC which
+  * breaks using rb_intern as an lvalue, as SWIG does.  We work around this
+@@ -100,9 +101,9 @@
+ /*
+  * The following macros are used for providing the correct type of a
+  * function pointer to the Ruby C API.
+- * Starting with Ruby 2.7 (corresponding to RB_METHOD_DEFINITION_DECL being
+- * defined) these macros act transparently due to Ruby's moving away from
+- * ANYARGS and instead employing strict function signatures.
++ *
++ * Starting with Ruby 2.7 these macros act transparently due to Ruby's moving
++ * moving away from ANYARGS and instead employing strict function signatures.
+  *
+  * Note: In case of C (not C++) the macros are transparent even before
+  * Ruby 2.7 due to the fact that the Ruby C API used function declarators
+@@ -126,7 +127,7 @@
+  * SWIG_RUBY_INT_ANYARGS_FUNC(f) is used for the function pointer
+  * argument(s) of Ruby C API functions like st_foreach().
+  */
+-#if defined(__cplusplus) && !defined(RB_METHOD_DEFINITION_DECL)
++#if defined(__cplusplus) && RUBY_API_VERSION_CODE < 20700
+ #  define PROTECTFUNC(f) ((VALUE (*)(VALUE)) f)
+ #  define VALUEFUNC(f) ((VALUE (*)(ANYARGS)) f)
+ #  define VOIDFUNC(f) ((RUBY_DATA_FUNC) f)
+-- 
+2.39.1
+
diff --git a/0001-gcc-12-warning-fix-in-test-case.patch b/0001-gcc-12-warning-fix-in-test-case.patch
new file mode 100644
index 0000000000000000000000000000000000000000..dc8b9a5fd0e7233f981649b1049e1d2c38229f0d
--- /dev/null
+++ b/0001-gcc-12-warning-fix-in-test-case.patch
@@ -0,0 +1,28 @@
+From 76d5a9ec270a763c892ae28070e391cf99e0b7cd Mon Sep 17 00:00:00 2001
+From: William S Fulton <wsf@fultondesigns.co.uk>
+Date: Tue, 18 Jan 2022 21:37:02 +0000
+Subject: [PATCH] gcc-12 warning fix in test-case
+
+Closes #2145
+
+reference: https://github.com/swig/swig/commit/76d5a9ec270a763c892ae28070e391cf99e0b7cd
+---
+ Examples/test-suite/nested_class.i | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Examples/test-suite/nested_class.i b/Examples/test-suite/nested_class.i
+index b10c33949..c778a12cf 100644
+--- a/Examples/test-suite/nested_class.i
++++ b/Examples/test-suite/nested_class.i
+@@ -201,7 +201,7 @@ struct Outer {
+     Integer xx;
+   } MultipleInstanceAnonDerived1, MultipleInstanceAnonDerived2, *MultipleInstanceAnonDerived3, MultipleInstanceAnonDerived4[2];
+ 
+-#if defined(__GNUC__) || defined(_MSC_VER) || defined(SWIG)
++#if (defined(__GNUC__) && __GNUC__ < 12) || defined(_MSC_VER) || defined(SWIG)
+ /* some compilers do not accept these */
+   struct : public InnerMultiple {
+     Integer xx;
+-- 
+2.39.1
+
diff --git a/swig.spec b/swig.spec
index eaecab5f7365ae746c03e693a88781000d1fafd1..d5d9c9094271695bf40cc5ef595cdaec47aced94 100644
--- a/swig.spec
+++ b/swig.spec
@@ -1,6 +1,6 @@
 Name:          swig
 Version:       4.0.2
-Release:       5
+Release:       6
 Summary:       Links C/C++/Objective C to languages for some advanced programing
 License:       GPLv3+ and BSD
 URL:           http://swig.sourceforge.net/
@@ -11,6 +11,8 @@ Patch1:        backport-PCRE2.patch
 Patch2:        backport-Few-more-PCRE-to-PCRE2-changes.patch
 Patch3:        backport-configure.ac-Add-missing-shell-quoting.patch
 Patch4:        Backport-php-8-support-from-upstream.patch
+Patch5:        0001-Ruby-Fix-deprecation-warnings-with-Ruby-3.x.patch
+Patch6:        0001-gcc-12-warning-fix-in-test-case.patch
 
 BuildRequires: perl-interpreter pcre2-devel python3-devel autoconf automake gawk dos2unix
 BuildRequires: gcc-c++ help2man perl-devel perl(base) perl(Config) perl(Devel::Peek)
@@ -104,6 +106,9 @@ install -pm 644 Tools/swig.gdb %{buildroot}%{_datadir}/%{name}/gdb
 %{_mandir}/man1/swig.1*
 
 %changelog
+* Thu Jul 13 2023 chenchen <chen_aka_jan@163.com> - 4.0.2-6
+- fix build error caused by upgrading gcc to 12.3.0
+
 * Mon Jun 05 2023 misaka00251 <liuxin@iscas.ac.cn> - 4.0.2-5
 - Type:enhancement
 - ID:NA